 | | Journal (article/letter/editorial) | | harzburgite sample 13TKN80 has a very narrow range of forsterite contents Pr (Fo84.9-84.5 ) and a median of...zonation is not evident. NiO is elevated for these forsterite contents (see section Jo u rn of 0.38 wt....Discussion 6.1. Origin of the ultramafic enclaves The forsterite content of olivine in peridotites from mantle...peridotite, as Jo u olivine in these have higher forsterite compositions, generally above Fo90 (Bernstein...massifs, and ophiolites with olivine of a similar forsterite content (Sobolev et al., 2007). Manfred Complex |  | | Journal (article/letter/editorial) | | Detailed map and stratigraphic section (underground mine) of the Medrado segment. Adapted from Mineração...Upper Ultramafic unit 87.01 84.89 86.33 92.00 Forsterite 90.21 1.01 1.81 0.16 0.01 <0.01 <0.01 2.99...compositions. Variations of the Mg ratio in olivine (forsterite content) and orthopyroxene (enstatite content)...the various units of the Ultramafic zone. The forsterite content of olivine (Fo89–Fo93.5) and the enstatite...12). Throughout the Upper Ultramafic unit both forsterite content in olivine (Fo90–Fo84) and enstatite |  | | Journal (article/letter/editorial) | | South Africa (Sharpe & Irvine, 1983), Great Dyke, Zimbabwe (Wilson, 1982), and Bacuri, Brazil (Spier & Ferreira...drill core I-328-55. Stratigraphic variation of forsterite (Fo) from olivine and enstatite (En) from orthopyroxene...(1997). The Archean komatiite-related Inyala chromitite, southern Zimbabwe. Economic Geology 92, 98±107. Roy-Barman... A. H. (1982). The geology of the Great Dyke, Zimbabwe: the ultramafic rocks. Journal of Petrology 23 |  | | Book | | Mineralization 4.10. A Comprehensive Example: The Cree de District, Colorado, USA 4.11. Summary 4.12. Recommended...disseminating the information, the mine geologists and mine managers who have made the mine visits a rewarding experience...concentration required to achieve the break-even point for a mine in terms of revenue and costs. Any detailed exploration...South Africa Stillwater Complex, USA Great Dyke, Zimbabwe Sudbury Complex, Canada Chromite, Ni-Cu sulfide...mportant examples Bushveld, South Africa Great Dyke, Zimbabwe Sudbury, canada Bushveld, South Africa Bushveld |  | | Book | | University of Zimbabwe - another of the world’s classic areas of Archaean geology. At the time, Zimbabwe was a...generations of students at the Universities of Zimbabwe, Gloucestershire and at the Sultan Qaboos University...are given in Fig. 1.4 and a typical craton, the Zimbabwe Craton is illustrated in Fig. 1.5. 1.2.1 Types...granite-greenstone belt terrains would be the Zimbabwe or Superior Cratons and a typical high-grade...11 FIGURE 1.5 The central part of the Archaean Zimbabwe Craton, showing the principal geological components: |
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